When a transistor is used as a switch, which of the three ways of connecting the resistor between BE and transistor is correct? Why? Please enlighten me, my analog electronics is really poor.
[b][color=#000000][url=http://www.ti.com.cn/tool/cn/TIDA-00010?DCMP=tidesigns-samplekit-apr-cn&HQS=tidesigns-samplekit-apr-cn-1-tida00010]Finger Clip Pulse Oximeter Reference Design with BLE Connectiv
I used the voltage probe of an oscilloscope to measure the voltage signal on a high-frequency resistor, and found that as soon as the voltage probe was connected, the signal reflection was very strong
[i=s]This post was last edited by qwqwqw2088 on 2016-9-23 18:01[/i] Current detection or feedback is usually required in power supply and other equipment. Current detection usually uses a method of co
[b]1. Fully understand the design requirements of all parties and determine the appropriate solution[/b] When starting a hardware development project, the original driving force will come from many as